Question

What is the power consumed across AB?

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Answer 1

Resistance between A and C is,

1/r = 1/7+1/7+1/7 = 3/7

therefore r = 7/3 ohms

Now the difference between A and C is,

r1 = 7/3 + 7 + 1/7 = 9.4761904762 ohms

Now since V = IR = 9.4761904762×1 = 9.4761904762 V

Now, Power = VI = 9.4761904762 ×1 = 9.4761904762 Watts

The answer is 9.4761904762 watts

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